Portable heat sealing machine



FIG. 1 is a perspective view of a portable heat sealing machine, showingmy new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a referential perspective view thereof with a suction padsattached to the bottom of the portable heat sealing machine; and,

FIG. 9 is a referential perspective view thereof with a detachableholder with an adhesive tape attached to the bottom of the portable heatsealing machine.

The broken line showing of environmental structures is for illustrativepurposes only and forms no part of the claimed design.

The ornamental design for a portable heat sealing machine, as shown asdescribed.